Added flatbuffers_generate_headers and flatbuffers_generate_binary_files cmake functions. (#5830)
Added flatbuffers_generate_headers and flatbuffers_generate_binary_files cmake functions. (#5830)

flatbuffers_generate_headers is a function that can be used to generate Flatbuffers headers and binary headers. It uses named argument flags to wrap all the flags relevant to C++ header generation that flatc uses. It generates an interface library that can be added as a dependency of other targets.

flatbuffers_generate_binary_files is a function that can be used to generate Flatbuffers binaries. It uses named argument flags to wrap all the flags relevant to C++ binary generation from JSON file that flatc uses. It generates an interface library that can be added as a dependency of other targets.
alexames/flatbuffers,pjulien/flatbuffers,alexames/flatbuffers,alexames/flatbuffers,google/flatbuffers,pjulien/flatbuffers,evolutional/flatbuffers,alexames/flatbuffers,google/flatbuffers,evolutional/flatbuffers,alexames/flatbuffers,google/flatbuffers,alexames/flatbuffers,evolutional/flatbuffers,evolutional/flatbuffers,evolutional/flatbuffers,evolutional/flatbuffers,evolutional/flatbuffers,alexames/flatbuffers,pjulien/flatbuffers,evolutional/flatbuffers,alexames/flatbuffers,alexames/flatbuffers,DavadDi/flatbuffers,google/flatbuffers,google/flatbuffers,DavadDi/flatbuffers,pjulien/flatbuffers,google/flatbuffers,alexames/flatbuffers,alexames/flatbuffers,alexames/flatbuffers,DavadDi/flatbuffers,google/flatbuffers,alexames/flatbuffers,pjulien/flatbuffers,pjulien/flatbuffers,pjulien/flatbuffers,google/flatbuffers,evolutional/flatbuffers,DavadDi/flatbuffers,pjulien/flatbuffers,evolutional/flatbuffers,google/flatbuffers,DavadDi/flatbuffers,pjulien/flatbuffers,alexames/flatbuffers,google/flatbuffers,pjulien/flatbuffers,pjulien/flatbuffers,evolutional/flatbuffers,google/flatbuffers,evolutional/flatbuffers,google/flatbuffers,google/flatbuffers,google/flatbuffers,evolutional/flatbuffers,DavadDi/flatbuffers,google/flatbuffers,alexames/flatbuffers,pjulien/flatbuffers